Water energy
Environmentally friendly
Much cheaper than:
fossil fuels
nuclear energy
Since ancient times, hydropower from many kinds of watermills has been used as a renewable energy source for irrigation and the operation of various mechanical devices, such as:
gristmils
sawmills
textile mills
trip hammers
dock cranes
domestic lifts
ore mills
Before the invention of hydro electric machines commonly used to drive:
mills
forges
sawmills
fullings
16% of the total electricity production in the world.
the power that exceeds even 10 GW
is power derived from the energy of falling water or running water, which may be harnessed for useful purposes
They are using more than 85% of its electricity from hydropower
Countries like:
Norway
The Democratic Republic of the Congo
Paraguay
Brazil
In Poland:
It's far only 1.5%
Also, it works directly, for example
turbine
water wheel